jack up (something)
to raise prices, to raise something with a lifting device
The gas station jacked up their gas prices during the storm.
We jacked up the car so that we could change the tire.
Night shift staff permits
Night shift staff permits are special permits that are ONLY valid
between the hours of 10:00pm 7:00am, including weekends, holidays, etc. They are not valid at
all, on any day of the week, between the hours of 7:00am 10:00pm.